Merge tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  changes for 6.6-rc1.

  Stuff all over the place here, lots of driver updates and changes and
  new additions. Short summary is:

   - new IIO drivers and updates

   - Interconnect driver updates

   - fpga driver updates and additions

   - fsi driver updates

   - mei driver updates

   - coresight driver updates

   - nvmem driver updates

   - counter driver updates

   - lots of smaller misc and char driver updates and additions

  All of these have been in linux-next for a long time with no reported
  problems"

* tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (267 commits)
  nvmem: core: Notify when a new layout is registered
  nvmem: core: Do not open-code existing functions
  nvmem: core: Return NULL when no nvmem layout is found
  nvmem: core: Create all cells before adding the nvmem device
  nvmem: u-boot-env:: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
  nvmem: sec-qfprom: Add Qualcomm secure QFPROM support
  dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom
  dt-bindings: nvmem: Add compatible for QCM2290
  nvmem: Kconfig: Fix typo "drive" -> "driver"
  nvmem: Explicitly include correct DT includes
  nvmem: add new NXP QorIQ eFuse driver
  dt-bindings: nvmem: Add t1023-sfp efuse support
  dt-bindings: nvmem: qfprom: Add compatible for MSM8226
  nvmem: uniphier: Use devm_platform_get_and_ioremap_resource()
  nvmem: qfprom: do some cleanup
  nvmem: stm32-romem: Use devm_platform_get_and_ioremap_resource()
  nvmem: rockchip-efuse: Use devm_platform_get_and_ioremap_resource()
  nvmem: meson-mx-efuse: Convert to devm_platform_ioremap_resource()
  nvmem: lpc18xx_otp: Convert to devm_platform_ioremap_resource()
  nvmem: brcm_nvram: Use devm_platform_get_and_ioremap_resource()
  ...

2 files changed, 68 insertions, 0 deletions

diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c
index e5b65a382772..a812c15948d9 100644
--- a/drivers/hwmon/peci/cputemp.c
+++ b/drivers/hwmon/peci/cputemp.c
@@ -363,6 +363,7 @@ static int init_core_mask(struct peci_cputemp *priv)
 	switch (peci_dev->info.model) {
 	case INTEL_FAM6_ICELAKE_X:
 	case INTEL_FAM6_ICELAKE_D:
+	case INTEL_FAM6_SAPPHIRERAPIDS_X:
 		ret = peci_ep_pci_local_read(peci_dev, 0, reg->bus, reg->dev,
 					     reg->func, reg->offset + 4, &data);
 		if (ret)
@@ -531,6 +532,13 @@ static struct resolved_cores_reg resolved_cores_reg_icx = {
 	.offset = 0xd0,
 };
 
+static struct resolved_cores_reg resolved_cores_reg_spr = {
+	.bus = 31,
+	.dev = 30,
+	.func = 6,
+	.offset = 0x80,
+};
+
 static const struct cpu_info cpu_hsx = {
 	.reg		= &resolved_cores_reg_hsx,
 	.min_peci_revision = 0x33,
@@ -549,6 +557,12 @@ static const struct cpu_info cpu_icx = {
 	.thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree,
 };
 
+static const struct cpu_info cpu_spr = {
+	.reg		= &resolved_cores_reg_spr,
+	.min_peci_revision = 0x40,
+	.thermal_margin_to_millidegree = &dts_ten_dot_six_to_millidegree,
+};
+
 static const struct auxiliary_device_id peci_cputemp_ids[] = {
 	{
 		.name = "peci_cpu.cputemp.hsx",
@@ -574,6 +588,10 @@ static const struct auxiliary_device_id peci_cputemp_ids[] = {
 		.name = "peci_cpu.cputemp.icxd",
 		.driver_data = (kernel_ulong_t)&cpu_icx,
 	},
+	{
+		.name = "peci_cpu.cputemp.spr",
+		.driver_data = (kernel_ulong_t)&cpu_spr,
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(auxiliary, peci_cputemp_ids);
diff --git a/drivers/hwmon/peci/dimmtemp.c b/drivers/hwmon/peci/dimmtemp.c
index ce89da3937a0..5ca4d04e4b14 100644
--- a/drivers/hwmon/peci/dimmtemp.c
+++ b/drivers/hwmon/peci/dimmtemp.c
@@ -30,6 +30,8 @@
 #define DIMM_IDX_MAX_ON_ICX	2
 #define CHAN_RANK_MAX_ON_ICXD	4
 #define DIMM_IDX_MAX_ON_ICXD	2
+#define CHAN_RANK_MAX_ON_SPR	8
+#define DIMM_IDX_MAX_ON_SPR	2
 
 #define CHAN_RANK_MAX		CHAN_RANK_MAX_ON_HSX
 #define DIMM_IDX_MAX		DIMM_IDX_MAX_ON_HSX
@@ -534,6 +536,43 @@ read_thresholds_icx(struct peci_dimmtemp *priv, int dimm_order, int chan_rank, u
 	return 0;
 }
 
+static int
+read_thresholds_spr(struct peci_dimmtemp *priv, int dimm_order, int chan_rank, u32 *data)
+{
+	u32 reg_val;
+	u64 offset;
+	int ret;
+	u8 dev;
+
+	ret = peci_ep_pci_local_read(priv->peci_dev, 0, 30, 0, 2, 0xd4, &reg_val);
+	if (ret || !(reg_val & BIT(31)))
+		return -ENODATA; /* Use default or previous value */
+
+	ret = peci_ep_pci_local_read(priv->peci_dev, 0, 30, 0, 2, 0xd0, &reg_val);
+	if (ret)
+		return -ENODATA; /* Use default or previous value */
+
+	/*
+	 * Device 26, Offset 219a8: IMC 0 channel 0 -> rank 0
+	 * Device 26, Offset 299a8: IMC 0 channel 1 -> rank 1
+	 * Device 27, Offset 219a8: IMC 1 channel 0 -> rank 2
+	 * Device 27, Offset 299a8: IMC 1 channel 1 -> rank 3
+	 * Device 28, Offset 219a8: IMC 2 channel 0 -> rank 4
+	 * Device 28, Offset 299a8: IMC 2 channel 1 -> rank 5
+	 * Device 29, Offset 219a8: IMC 3 channel 0 -> rank 6
+	 * Device 29, Offset 299a8: IMC 3 channel 1 -> rank 7
+	 */
+	dev = 26 + chan_rank / 2;
+	offset = 0x219a8 + dimm_order * 4 + (chan_rank % 2) * 0x8000;
+
+	ret = peci_mmio_read(priv->peci_dev, 0, GET_CPU_SEG(reg_val), GET_CPU_BUS(reg_val),
+			     dev, 0, offset, data);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 static const struct dimm_info dimm_hsx = {
 	.chan_rank_max	= CHAN_RANK_MAX_ON_HSX,
 	.dimm_idx_max	= DIMM_IDX_MAX_ON_HSX,
@@ -576,6 +615,13 @@ static const struct dimm_info dimm_icxd = {
 	.read_thresholds = &read_thresholds_icx,
 };
 
+static const struct dimm_info dimm_spr = {
+	.chan_rank_max	= CHAN_RANK_MAX_ON_SPR,
+	.dimm_idx_max	= DIMM_IDX_MAX_ON_SPR,
+	.min_peci_revision = 0x40,
+	.read_thresholds = &read_thresholds_spr,
+};
+
 static const struct auxiliary_device_id peci_dimmtemp_ids[] = {
 	{
 		.name = "peci_cpu.dimmtemp.hsx",
@@ -601,6 +647,10 @@ static const struct auxiliary_device_id peci_dimmtemp_ids[] = {
 		.name = "peci_cpu.dimmtemp.icxd",
 		.driver_data = (kernel_ulong_t)&dimm_icxd,
 	},
+	{
+		.name = "peci_cpu.dimmtemp.spr",
+		.driver_data = (kernel_ulong_t)&dimm_spr,
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(auxiliary, peci_dimmtemp_ids);